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Record W2313621319 · doi:10.1061/9780784413272.397

Reassessment of Soil Suction at the Evaporation Rate Reduction Point for Saturated-Unsaturated Soil Surfaces

2014· article· en· W2313621319 on OpenAlexaff
Dat T.Q. Tran, Dave Chan, D. G. Fredlund

Bibliographic record

VenueGeo-Congress 2014 Technical Papers · 2014
Typearticle
Languageen
FieldEngineering
TopicSoil and Unsaturated Flow
Canadian institutionsGolder Associates (Canada)University of Alberta
Fundersnot available
KeywordsEvaporationSuctionSoil waterWater contentSoil sciencePotential evaporationEnvironmental scienceVapor pressureGeotechnical engineeringMaterials scienceChemistryGeologyThermodynamics

Abstract

fetched live from OpenAlex

Potential Evaporation, PE, from soils is defined as the water loss through evaporation from a saturated soil surface with ample water. The calculation of actual evaporation, AE, is required when calculating water balance for near-ground-surface engineered situations. AE can be less than PE for a number of reasons. It has been noted that the rate of evaporation begins to depart from the potential rate of evaporation during drying process at distinct soil suction values that are related to the soil-water characteristic curve, SWCC. This paper mainly focuses on reassessment of soil suction and the corresponding water content at which the actual rate of evaporation begins to depart from potential rate of evaporation during drying process using a series of the laboratory data collected from the research literature. It is found that the value of suction at evaporation-rate reduction point appears to be approximately 3,000 kPa for thin soil sections regardless of the soil texture. However, the soil suction appears to be between the air-entry value and residual soil suction for evaporation from soil columns. An empirical equation has been proposed for the determination of the soil suction at the evaporation-rate reduction point in soil columns. Equations are also proposed to calculate the coefficient of surface moisture availability, the vapor pressure, and surface resistance at the soil surface.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.112
Threshold uncertainty score0.980

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.008
GPT teacher head0.223
Teacher spread0.216 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations3
Published2014
Admission routes1
Has abstractyes

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